developer.jp - dns.ninja
developer.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1780931703 | ||||||
Same first word
Similar names
DNS History
16 records (14 active, 2 former)
●NSns1.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●NSns2.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●NSns3.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●NSns4.value-domain.com2026-02-15 → 2026-06-08 · 3 obs
● 2026-02-15 01:33:00
● 2026-06-08 15:24:18
●NSns5.value-domain.com2026-02-15 → 2026-06-08 · 3 obs
● 2026-02-15 01:33:00
● 2026-06-08 15:24:18
●MXalt1.aspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXalt2.aspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXaspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXaspmx2.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXaspmx3.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXaspmx4.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●MXaspmx5.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
●A122.249.237.2412015-08-11 → 2026-06-08 · 2 obs
● 2026-06-08 15:24:18
○A2405:6580:8080:2b00:2dc0:87cf:610d:48172021-09-15 → 2021-09-15 · 4 obs
● 2021-09-15 16:51:42
○ 2026-02-15 01:33:00
○ 2026-06-08 15:24:18
○A2405:6580:8080:2b00:aaa:c562:d0df:800d2026-02-15 → 2026-04-18 · 5 obs
● 2026-02-15 01:33:00
● 2026-04-18 17:07:12
○ 2026-05-01 00:35:30
○ 2026-06-08 15:24:18
●A2405:6580:9b80:3800:3b60:dbe3:12b8:8752026-05-01 → 2026-06-08 · 3 obs
● 2026-05-01 00:35:30
● 2026-06-08 15:24:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, h.dns.jp, e.dns.jp, c.dns.jp... | - |
| developer.jp | ns3.value-domain.com, ns2.value-domain.com, ns1.value-domain.com, ns4.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns3.value-domain.com, ns2.value-domain.com, ns1.value-domain.com, ns4.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developer.jp (unsigned zone)
⏱️ Timing
Total: 1269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.249.237.241 |
| AAAA | 1 | 2405:6580:9b80:3800:3b60:dbe3:12b8:875 |
| NS | 3 | ns3.value-domain.com, ns2.value-domain.com... |
| MX | 7 | aspmx5.googlemail.com (pri: 30), aspmx.l.google.com (pri: 1)... |
| TXT | 2 | v=spf1 ip4:122.249.237.241 mx:mozilla.gr, google-site-verification=0GrghPYnIVgdiAo |
| SOA | 1 | ns1.value-domain.com hostmaster.develope |
Analysis
IP Addresses
developer.jp points to two IP numbers: 122.249.237.241 and 2405:6580:9b80:3800:3b60:dbe3:12b8:875.
Additional host names — www.dev.jp, b3.siisise.net, x237241.ppp.asahi-net.or.jp and two others — share IP numbers with developer.jp.
Name Servers
Authority for developer.jp is spread across 5 name servers; listed: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
There is at least partial name server overlap between developer.jp and other domains — ichibou.com, pentagamers.com, shadowzero.com and two more among them.
These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
Host names with two IP numbers:
ns1.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.
ns2.value-domain.com has two IP addresses: 172.64.53.3 and 172.64.53.115.
ns3.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.
ns4.value-domain.com has two IP addresses: 172.64.53.3 and 172.64.53.115.
ns5.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.
ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.38.
ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.161.
Host names pointing to 172.64.53.3 IP addresses: ns2.value-domain.com and ns4.value-domain.com.
Host names pointing to 172.64.53.115 IP addresses: ns2.value-domain.com and ns4.value-domain.com.
Mail Servers
Email to developer.jp is handled by 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and four others.
developer.jp shares mail servers — at least in part — with other domains, including janetoar.com, askcr.cz, savetrees.org and two others.
These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and three others.
Host names with two IP numbers:
aspmx2.googlemail.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com has two IP addresses: 173.194.76.27 and 2a00:1450:400c:c00::1b.
aspmx.l.google.com has two IP addresses: 172.253.139.27 and 2607:f8b0:4004:c1d::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
Host names pointing to 2800:3f0:4003:c0f::1b IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Host names pointing to 108.177.123.27 IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.